26243998 has 8 divisors (see below), whose sum is σ = 42944760. Its totient is φ = 11929080.

The previous prime is 26243983. The next prime is 26244007. The reversal of 26243998 is 89934262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596433 + ... + 596476.

It is an arithmetic number, because the mean of its divisors is an integer number (5368095).

Almost surely, 2^26243998 is an apocalyptic number.

26243998 is a deficient number, since it is larger than the sum of its proper divisors (16700762).

26243998 is a wasteful number, since it uses less digits than its factorization.

26243998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192922.

The product of its digits is 186624, while the sum is 43.

The square root of 26243998 is about 5122.8896142704. The cubic root of 26243998 is about 297.1734448515.

The spelling of 26243998 in words is "twenty-six million, two hundred forty-three thousand, nine hundred ninety-eight".